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Transcription and Regulation

Transcription and Regulation
Transcription factors are

promoters
CATT boxes
proteins which bind to DNA and regulate transcription
TATA boxes

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Transcription and Regulation
The nucleons of eukaryotic cell has

RNA polymerase I
RNA polymerase II
RNA polymerase III
all of these

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Transcription and Regulation
Transcription begins

at the start codon
downstream from the start codon
none of these
upstream from the start codon

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Transcription and Regulation
The binding of lac repressor to DNA could be considered to be analogous to

mixed-type inhibition of an enzyme
competitive inhibition of an enzyme
allosteric effects in enzyme regulation
uncompetitive inhibition of an enzyme

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Transcription and Regulation
The regions of a gene located at -10 and -35, with respect to the start of transcription, are termed

oriC regions.
Shine Dalgarno sequences.
start codons.
promoters.

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

beta subunit
alpha subunit
both (a) and (b)
sigma subunit

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